# Evaluation Results Summary

## Quick Overview
- **Dataset**: 56 document samples
- **Best Approach**: Crop (No Shadow Removal)
- **Performance Gain**: +14.1% F1-score improvement over baseline

## Performance Comparison (Ranked from Lowest to Highest)

| Approach | Precision | Recall | F1-Score | Field Accuracy | Improvement vs. Baseline |
|----------|-----------|--------|----------|----------------|---------------------------|
| **No Preprocessing** | 79.0% | 68.7% | 73.5% | 68.7% | Baseline |
| **Crop + PaddleOCR + Shadow Removal + Cache** | 92.5% | 88.3% | 90.3% | 88.3% | +16.8% |
| **Crop + Shadow Removal + Cache** | 93.6% | 88.5% | 91.0% | 88.5% | +17.5% |
| **Crop + PaddleOCR + Shadow Removal** | 93.6% | 89.4% | 91.5% | 89.4% | +18.0% |
| **Crop** | 94.8% | 89.9% | 92.3% | 89.9% | +18.8% |

## Top Performing Fields
- **Gender**: 85.1% F1 (Crop + PaddleOCR + Shadow Removal)
- **Birth Date**: 80.5% F1 (Crop + PaddleOCR + Shadow Removal)
- **Document Type**: 85.4% F1 (Crop + PaddleOCR + Shadow Removal)
- **Surname**: 82.9% F1 (Crop + PaddleOCR + Shadow Removal)

## Key Insights
1. **Cropping** provides the biggest performance boost
2. **PaddleOCR + Shadow Removal** adds small but consistent improvement
3. **Shadow removal** shows mixed results depending on field type
4. **Caching** has minimal impact on accuracy

## Recommendations
- Use **Crop + PaddleOCR + Shadow Removal** for production
- Focus on optimizing high-value fields
- Investigate MRZ line extraction further
- Target 65%+ overall F1-score

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*See README.md for detailed analysis*